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Within the spirit ground, Lu Ye rose to his feet and approached the Heaven's Augury Pillar once again, his mind connecting to the Heaven's Augury treasure vault. However, this time, he wasn't there to purchase anything.

Instead, he intended to upgrade his Boulder Mountain Saber to the next grade.

The Boulder Mountain Saber was currently a mid-grade spirit artifact with 18 restrictions, having been upgraded from low-grade to mid-grade just a few months ago.

However, Lu Ye's cultivation had progressed rapidly of late. Since entering the Cloud River battlefield, in less than five months, he had already reached the standards of the Cloud River Level 4 realm.

Now, he was fully qualified to wield a higher quality spirit artifact.